Di Stefano, Bruno N. (2013). "On the Need of a Standard Language for Designing Fuzzy Systems". On the Power of Fuzzy Markup Language. Studies in Fuzziness and Soft Computing. Vol. 296. pp. 3–15. doi:10.1007/978-3-642-35488-5_1. ISBN978-3-642-35487-8. ISSN1434-9922.
Di Stefano, Bruno N. (2013). "On the Need of a Standard Language for Designing Fuzzy Systems". On the Power of Fuzzy Markup Language. Studies in Fuzziness and Soft Computing. Vol. 296. pp. 3–15. doi:10.1007/978-3-642-35488-5_1. ISBN978-3-642-35487-8. ISSN1434-9922.